Roth Lab 14

Lab 14 Ballistic Pendulum

vB= (square root (2gh) ) (mB+mP))/mB
g= 9.8m/s
Degree Average = (21+22.5+23.5+25+22)/5= 22.8 degrees
h= .233- .233cos22.8= .018
mB= .008kg
mP= .080 kg
vB= (square root(2(9.8)(.018)) (.008+.080))/ .008
vB= 6.53 m/s

dy=.857 m
dy=(1/2)at^2
.857= .5 (9.8) t^2
.857= 4.9 t^2
.175= t^2
.418s=t

dx= 3,
v= dy/t
v= 3/.418= 7.17

Percent Error= l (actual-experimental)/ actual l = (7.17-6.53)/ 7.17 = .0829
8.29% error